Regular Expressions 101

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An explanation of your regex will be automatically generated as you type.
Detailed match information will be displayed here automatically.
  • All Tokens
  • Common Tokens
  • General Tokens
  • Anchors
  • Meta Sequences
  • Quantifiers
  • Group Constructs
  • Character Classes
  • Flags/Modifiers
  • Substitution
  • A single character of: a, b or c
    [abc]
  • A character except: a, b or c
    [^abc]
  • A character in the range: a-z
    [a-z]
  • A character not in the range: a-z
    [^a-z]
  • A character in the range: a-z or A-Z
    [a-zA-Z]
  • Any single character
    .
  • Alternate - match either a or b
    a|b
  • Any whitespace character
    \s
  • Any non-whitespace character
    \S
  • Any digit
    \d
  • Any non-digit
    \D
  • Any word character
    \w
  • Any non-word character
    \W
  • Non-capturing group
    (?:...)
  • Capturing group
    (...)
  • Zero or one of a
    a?
  • Zero or more of a
    a*
  • One or more of a
    a+
  • Exactly 3 of a
    a{3}
  • 3 or more of a
    a{3,}
  • Between 3 and 6 of a
    a{3,6}
  • Start of string
    ^
  • End of string
    $
  • A word boundary
    \b
  • Non-word boundary
    \B

Regular Expression
No Match

/
/
s

Test String

Code Generator

Language

Generated Code

import java.util.regex.Matcher; import java.util.regex.Pattern; public class Example { public static void main(String[] args) { final String regex = "playlist\\.m3u8\\?id=([^&=>]+).*?enableVideo\\(\"([^\"]*)"; final String string = "<script type=\"text/javascript\">\n" + " var videoPlayer = document.createElement(\"video\");\n" + " videoPlayer.setAttribute(\"id\", \"videoplayer\");\n" + " videoPlayer.setAttribute(\"width\", \"580\");\n" + " videoPlayer.setAttribute(\"height\", \"450\");\n" + " videoPlayer.setAttribute(\"poster\", \"/static/images/logo.png\");\n" + " videoPlayer.setAttribute(\"autoplay\", true);\n" + " videoPlayer.setAttribute(\"controls\", \"\"); \n\n" + " var em = document.createElement(\"em\");\n" + " em.innerHTML = \"Sorry, your browser doesn't support HTML5 video.\";\n" + " videoPlayer.appendChild(em);\n\n" + " document.getElementById(\"player_div\").appendChild(videoPlayer);\n\n" + " function setupVideo() {\n" + " if (Hls.isSupported()) { \n" + " var video = document.getElementById('videoplayer');\n" + " var player = new Hls();\n" + " player.attachMedia(video);\n" + " player.on(Hls.Events.MEDIA_ATTACHED, function () {\n" + " var hlsUrl = \"http://\" + ea + \":8088/live/shid04/playlist.m3u8?id=95328&pk=\";\n" + " hlsUrl = hlsUrl + enableVideo(\"5be02e45f5917b29199f8e5326499a6f8c6c7c9df86920b38c09bee46b050289\");\n" + " player.loadSource(hlsUrl);\n" + " player.on(Hls.Events.MANIFEST_PARSED, function (event, data) { \n" + " video.play();\n" + " });\n" + " });\n" + " }else {\n" + " em.innerHTML = \"Sorry, your browser doesn't support HTML5 video.\";\n" + " }\n" + " }\n\n" + " </script>"; final Pattern pattern = Pattern.compile(regex, Pattern.DOTALL); final Matcher matcher = pattern.matcher(string); if (matcher.find()) { System.out.println("Full match: " + matcher.group(0)); for (int i = 1; i <= matcher.groupCount(); i++) { System.out.println("Group " + i + ": " + matcher.group(i)); } } } }

Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for Java, please visit: https://docs.oracle.com/javase/7/docs/api/java/util/regex/Pattern.html